ONE-HALF

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does one-half mean? 

• ONE-HALF (noun)
  The noun ONE-HALF has 1 sense:

1. one of two equal parts of a divisible whole

  Familiarity information: ONE-HALF used as a noun is very rare.

 Dictionary entry details 

• ONE-HALF (noun)

Sense 1

Meaning:

One of two equal parts of a divisible whole

Classified under:

Nouns denoting quantities and units of measure

Synonyms:

half; one-half

Context example:

a century and one half

Hypernyms ("one-half" is a kind of...):

common fraction; simple fraction (the quotient of two integers)

Hyponyms (each of the following is a kind of "one-half"):

fifty percent (a half expressed as a percentage)

mediety; moiety (one of two (approximately) equal parts)

 Context examples 

Fully five feet in length, and standing two and one-half feet at the shoulder, he far outweighed a wolf of corresponding size.

(White Fang, by Jack London)

Increased period of time required for the concentration or amount of a concomitant drug in the body to be reduced to exactly one-half of a given concentration or amount.

(Increased Concomitant Drug Half Life, NCI Thesaurus)

Increased period of time required for the concentration or amount of drug in the body to be reduced to exactly one-half of a given concentration or amount.

(Increased Drug Half Life, NCI Thesaurus)

A time period that includes one-half of the total number of days plus at least one more.

(More than Half the Days, NCI Thesaurus)

Decreased period of time required for the concentration or amount of a concomitant drug in the body to be reduced to exactly one-half of a given concentration or amount.

(Decreased Concomitant Drug Half Life, NCI Thesaurus)

Decreased period of time required for the concentration or amount of drug in the body to be reduced to exactly one-half of a given concentration or amount.

(Decreased Drug Half Life, NCI Thesaurus)

Between one-third and one-half of all mercury stored in global soils — much of it likely from the burning of coal and other sources — is stored in tundra soils.

(Study finds mercury levels in Arctic soils 5 times higher than temperate regions, National Science Foundation)

The study tracked 144 children ages 4 to 9 who had been living with type 1diabetes for an average of 2 and one-half years.

(Chronic high blood sugar may be detrimental to the developing brain of young children, NIH)

Expression of NEGF2 is predominant only for a short period from approximately one-half to two-thirds of the way through gestation; before and after that, it is barely detectable.

(Neurite Growth-Promoting Factor 2, NCI Thesaurus)

These newly-discovered frozen peaks are estimated to be one-half mile to one mile (1-1.5 kilometers) high.

(New Horizons Finds Second Mountain Range in Pluto’s ‘Heart’, NASA)